| <!DOCTYPE html> |
| <title>Service Worker: postMessage to Client</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/common/get-host-info.sub.js"></script> |
| <script src="resources/test-helpers.sub.js"></script> |
| <script> |
| promise_test(t => { |
| var script = 'resources/postmessage-to-client-worker.js'; |
| var scope = 'resources/blank.html'; |
| var w; |
| |
| return service_worker_unregister_and_register(t, script, scope) |
| .then(registration => { |
| t.add_cleanup(() => registration.unregister()); |
| return wait_for_state(t, registration.installing, 'activated'); |
| }) |
| .then(() => with_iframe(scope)) |
| .then(frame => { |
| t.add_cleanup(() => frame.remove()); |
| |
| return new Promise(resolve => { |
| w = frame.contentWindow; |
| w.navigator.serviceWorker.onmessage = resolve; |
| w.navigator.serviceWorker.controller.postMessage('ping'); |
| }); |
| }) |
| .then(e => { |
| var message = e.data; |
| assert_equals(e.constructor, w.MessageEvent, |
| 'message events should use MessageEvent interface.'); |
| assert_equals(e.type, 'message', 'type should be "message".'); |
| assert_equals(e.bubbles, false, 'message events should not bubble.'); |
| assert_equals(e.cancelable, false, |
| 'message events should not be cancelable.'); |
| assert_equals( |
| e.origin, location.origin, |
| 'origin of message should be origin of Service Worker.'); |
| assert_equals(e.lastEventId, '', |
| 'lastEventId should be an empty string.'); |
| assert_equals(e.source.constructor, w.ServiceWorker, |
| 'source should use ServiceWorker interface.'); |
| assert_equals( |
| e.source, w.navigator.serviceWorker.controller, |
| 'source should be the service worker that sent the message.'); |
| assert_equals(e.ports.length, 0, 'ports should be an empty array.'); |
| assert_equals(message, 'Sending message via clients'); |
| return new Promise(resolve => { |
| w.navigator.serviceWorker.onmessage = resolve; |
| }); |
| }) |
| .then(e => { assert_equals(e.data, 'quit'); }); |
| }, 'postMessage from ServiceWorker to Client.'); |
| </script> |
